<template>
  <!-- 商品分类的三级联动组件 -->
  <type-nav></type-nav>
  <div class="main">
    <div class="py-container">
      <!--bread：面包屑-->
      <div class="bread">
        <ul class="fl sui-breadcrumb">
          <li>
            <a href="#">全部结果</a>
          </li>
        </ul>
        <ul class="fl sui-tag">
          <li class="with-x" v-if="reqParams.categoryName">
            {{ reqParams.categoryName }}<i @click="removeCategoryName">×</i>
          </li>
          <!-- 关键字 -->
          <li class="with-x" v-if="reqParams.keyword">
            {{ reqParams.keyword }}<i @click="removeKeyword">×</i>
          </li>
          <!-- 品牌 -->
          <li class="with-x" v-if="reqParams.trademark">
            {{ reqParams.trademark.split(':')[1]
            }}<i @click="removeTrademakr">×</i>
          </li>
          <!-- 售卖属性 -->
          <li
            class="with-x"
            v-for="(attr, index) of reqParams.props"
            :key="index"
          >
            {{ attr.split(':')[1] }}<i @click="removeAttr(index)">×</i>
          </li>
        </ul>
      </div>

      <!--selector-->
      <SearchSelector
        @trademarkInfo="trademarkInfoHandle"
        @attrsInfo="attrsInfoHandle"
      />

      <!--details-->
      <div class="details clearfix">
        <div class="sui-navbar">
          <div class="navbar-inner filter">
            <ul class="sui-nav">
              <li :class="{ active: isOne }" @click="changeOrder('1')">
                <a>
                  综合
                  <span
                    v-show="isOne"
                    class="iconfont"
                    :class="{
                      'icon-arrow-up': isAsc,
                      'icon-arrow-down': isDesc
                    }"
                  ></span>
                </a>
              </li>
              <li :class="{ active: isTwo }" @click="changeOrder('2')">
                <a>
                  价格
                  <span
                    v-show="isTwo"
                    class="iconfont"
                    :class="{
                      'icon-arrow-up': isAsc,
                      'icon-arrow-down': isDesc
                    }"
                  ></span>
                </a>
              </li>
            </ul>
          </div>
        </div>
        <div class="goods-list">
          <ul class="yui3-g">
            <li class="yui3-u-1-5" v-for="good of goodsList" :key="good.id">
              <div class="list-wrap">
                <div class="p-img">
                  <router-link :to="`/detail/${good.id}`">
                    <img :src="good.defaultImg" />
                  </router-link>
                </div>
                <div class="price">
                  <strong>
                    <em>¥ </em>
                    <i>{{ good.price }}</i>
                  </strong>
                </div>
                <div class="attr">
                  <a target="_blank" href="item.html" :title="good.title">{{
                    good.title
                  }}</a>
                </div>
                <div class="commit">
                  <i class="command">已有<span>2000</span>人评价</i>
                </div>
                <div class="operate">
                  <a
                    href="success-cart.html"
                    target="_blank"
                    class="sui-btn btn-bordered btn-danger"
                    >加入购物车</a
                  >
                  <a href="javascript:void(0);" class="sui-btn btn-bordered"
                    >收藏</a
                  >
                </div>
              </div>
            </li>
          </ul>
        </div>
        <!-- 分页器 -->
        <pagination
          v-model:pageNo="reqParams.pageNo"
          v-model:pageSize="reqParams.pageSize"
          v-model:total="totalList"
          :continues="5"
          @getPageNo="getPageNoHandle"
        >
        </pagination>
      </div>
    </div>
  </div>
</template>

<script setup>
import SearchSelector from './SearchSelector/SearchSelector'
import { computed, onMounted, reactive, watch } from 'vue'
import { useStore } from 'vuex'
import { useRoute, useRouter } from 'vue-router'
import bus from '@/utils/eventBus'
const store = useStore()
const route = useRoute()
const router = useRouter()
onMounted(() => {
  // 获取路由参数
  const params = route.params
  const query = route.query

  // 合并参数对象
  Object.assign(reqParams, params, query)
  // 组件挂载完毕发送一次请求
  getSearchData()
})
/** search请求 */
// 要传递过去的参数
const reqParams = reactive({
  category1Id: '', // 一级分类ID
  category2Id: '', // 二级分类ID
  category3Id: '', // 三级分类ID
  categoryName: '', // 分类名字
  keyword: '', // 搜索关键字
  order: '1:desc', // 排序
  pageNo: 1, // 当前页数
  pageSize: 10, // 每页数据条数
  props: [], // 平台售卖属性的参数
  trademark: '' // 品牌
})
const getSearchData = () => {
  // 派发action，获取搜索数据
  store.dispatch('getSearchData', reqParams)
}

// 获取仓库中的搜索数据
const goodsList = computed(() => store.getters.goodsList)
// 获取仓库中的列表数据总数
const totalList = computed(() => {
  return store.state.search.searchData.total
})

// 监听地址栏变化
watch(route, (newval, oldval) => {
  // 获取路由参数
  const params = route.params
  const query = route.query

  // 合并参数对象
  Object.assign(reqParams, params, query)
  // 地址栏变化就发送请求
  getSearchData()
  // 清空传递的ID
  reqParams.category1Id = undefined
  reqParams.category2Id = undefined
  reqParams.category3Id = undefined
})

/**
 * 面包屑
 */
const removeCategoryName = () => {
  // 删除面包屑标签
  reqParams.categoryName = undefined
  // 清空传递的ID
  reqParams.category1Id = undefined
  reqParams.category2Id = undefined
  reqParams.category3Id = undefined
  // 发送请求
  getSearchData()
  // 地址栏也需要需改：进行路由跳转(现在的路由跳转只是跳转到自己这里)
  // 严谨：本意是删除query，如果路径当中出现params不应该删除，路由跳转的时候应该带着
  if (route.params) {
    router.push({ name: 'search', params: route.params })
  }
}
/** 搜索关键字 */
const removeKeyword = () => {
  // 清空keyword
  reqParams.keyword = undefined
  getSearchData()
  // header组件中的搜索框也置空
  bus.emit('clearKeyword')
  // 地址栏也要清除keyword
  if (route.query) {
    router.push({
      name: 'search',
      query: route.query
    })
  } else {
    router.push({ name: 'search' })
  }
}
/** 接收子组件传递品牌数据 */
const trademarkInfoHandle = (trademark) => {
  // 整理trademark 参数
  reqParams.trademark = `${trademark.tmId}:${trademark.tmName}`
  // 发送请求
  getSearchData()
}
// 删除品牌信息
const removeTrademakr = () => {
  reqParams.trademark = undefined
  getSearchData()
}

/** 售卖属性数据 */
const attrsInfoHandle = (attr, attrValue) => {
  // 处理参数
  const props = `${attr.attrId}:${attrValue}:${attr.attrName}`
  // 数组去重
  if (reqParams.props.indexOf(props) === -1) {
    reqParams.props.push(props)
  }
  // 发送请求
  getSearchData()
}
// 删除属性
const removeAttr = (index) => {
  // 移除数组中的对应元素
  reqParams.props.splice(index, 1)
  getSearchData()
}

/**
 * 排序处理
 */
// 判断当前是综合1还是价格2
const isOne = computed(() => reqParams.order.indexOf('1') !== -1)
const isTwo = computed(() => reqParams.order.indexOf('2') !== -1)
// 判断升序、降序
const isAsc = computed(() => reqParams.order.indexOf('asc') !== -1)
const isDesc = computed(() => reqParams.order.indexOf('desc') !== -1)
// 点击事件
const changeOrder = (flag) => {
  // 初始状态
  const originOrder = reqParams.order
  const originFlag = originOrder.split(':')[0]
  const originSort = originOrder.split(':')[1]
  // 点击后的order
  let newOrder = ''
  // 点击时判断点击的是综合还是价格
  if (originFlag === flag) {
    // 点击综合
    newOrder = `${originFlag}:${originSort === 'desc' ? 'asc' : 'desc'}`
  } else {
    // 点击价格：默认降序
    newOrder = `${flag}:${'desc'}`
  }
  // 修改后的参数
  reqParams.order = newOrder
  // 重新请求
  getSearchData()
}

/**
 * 分页器
 */
// 获取子组件传递的数据
const getPageNoHandle = (num) => {
  reqParams.pageNo = num
  getSearchData()
}
</script>
<style lang="scss" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
